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| 100 | 1 | _aHarbord, John | |
| 222 | _aELT JOURNAL | ||
| 245 | _aThe use of the mother tongue in the classroom | ||
| 300 | _a350-355 | ||
| 362 | 0 | _a1992 Vol. 46, no. 4 | |
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| 653 | 0 | _aENSEÑANZA | |
| 653 | 0 | _aINTERACCION MAESTRO-ALUMNO | |
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| 905 | _aArticulo | ||
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